Abstract: Complex matrix derivatives play an important role in matrix optimization, since they form a theoretical basis for the Karush-Kuhn-Tucker (KKT) conditions associated with matrix variables. We ...

You can stop looking for glitches in the Matrix—it’s finally been proven that our universe is not merely a simulation running on some powerful alien civilization’s supercomputer. An international team ...

A first-of-its-kind exhibition in San Francisco shows the artistry and history of the Japanese comics that have fueled hits across TV and film. By Maya Phillips Reporting from San Francisco A demonic ...

This new form is designed to strengthen government accountability in Oklahoma. It’s part of the work of the newly established Public Access Counselor Unit. “Since taking office more than two years ago ...

In a landmark nomination that reshapes nearly two centuries of tradition, Marine Corps Lt. Gen. Michael J. Borgschulte has been tapped to serve as the next superintendent of the U.S. Naval Academy in ...

Is this real life? Is this just fantasy? A growing number of scientists are suggesting that the idea that we are all living in a simulation may not be completely far-fetched. Simulation theory is the ...

General Motors posted strong electric vehicle sales on Tuesday for the second quarter of 2025. GM says it sold 46,280 EVs in the U.S. across its Chevrolet, Cadillac and GMC brands. Its EV sales shot ...

Delaware nonprofits are facing funding cuts from the federal government, impacting vital services for vulnerable residents. These cuts threaten food assistance, mental health services, and support for ...

Grammarly plans strategic acquisitions and AI tool expansion General Catalyst's investment return linked to Grammarly's revenue growth Grammarly aims for public offering, no immediate plans May 29 ...

Grammarly has secured a $1 billion commitment from General Catalyst. The 16-year-old writing assistant startup will use the new funds for its sales and marketing efforts, freeing up existing capital ...

President Donald Trump is reversing himself on who should be the next U.S. surgeon general, tapping a physician and wellness advocate who is close to Health and Human Services Secretary Robert F.